#1D475A#1D475A
#1D475A is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.7% C 0.057 H 230.4°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1D475A |
|---|---|
| RGB | rgb(29, 71, 90) |
| HSL | hsl(199, 51%, 23%) |
| HSV | hsv(199, 68%, 35%) |
| CMYK | cmyk(67.8%, 21.1%, 0%, 64.7%) |
| CIE-LAB | lab(28.13, -7.94, -15.60) |
| CIE-LCH | lch(28.13, 17.51, 243.04°) |
| OKLab | oklab(37.71% -0.0361 -0.0436) |
| OKLCH | oklch(37.71% 0.057 230.4) |
| XYZ | xyz(4.6047, 5.5054, 10.4909) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Grey Blue
#29465B
ΔE00 3.67
Dark Slate Blue
#214761
ΔE00 3.99
Dark Blue Grey
#1F3B4D
ΔE00 4.69
Charcoal
#36454F
ΔE00 6.26
Deep Sea Blue
#015482
ΔE00 8.98
Prussian Blue
#004577
ΔE00 9.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D475A #5A301D
analogous
#1D5A4E #1D475A #1D285A
triadic
#1D475A #5A1D47 #475A1D
tetradic
#1D475A #4E1D5A #5A301D #285A1D
square
#1D475A #4E1D5A #5A301D #285A1D
split-complementary
#1D475A #5A1D28 #5A4E1D
monochromatic
#071217 #0E222C #1D475A #2C6C88 #3B90B7
Accessibility & contrast
On white
9.99
#1D475A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#1D475A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D475A
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D475A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D475A | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D465B
Deuteranopia (green-blind)
#35405A
Tritanopia (blue-blind)
#004C4D
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #1d475a; /* rgb */ color: rgb(29, 71, 90); /* oklch */ color: oklch(37.7% 0.057 230.4);
Tailwind
colors: {
custom: {
50: '#607a88',
500: '#1d475a',
950: '#000000',
},
}SCSS
$custom: #1d475a; $custom-light: #607a88; $custom-dark: #000000;
JSON
{
"hex": "#1d475a",
"rgb": {
"r": 29,
"g": 71,
"b": 90
},
"hsl": {
"h": 198.689,
"s": 51.261,
"l": 23.333
},
"oklch": {
"l": 0.37707,
"c": 0.05661,
"h": 230.4
},
"luminance": 0.05506
}Semantic roles & 50–950 ramp
primary
#1D475A
secondary
#8F5B44
accent
#794DDB
background
#F5F7F8
surface
#EAEDF0
border
#C6C8CB
text
#05090B
muted
#797B7C